definition of hiv aids
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- Acquired immune deficiency syndrome (AIDS) is an infectious disease caused by the human immunodeficiency virus (HIV). There are two variants of the HIV virus, HIV-1 and HIV-2, both of which ultimately cause AIDS.
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Overview Acquired immunodeficiency syndrome (AIDS) is a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV). By damaging your immune system, HIV interferes with your body's ability to fight the organisms that cause disease. HIV is a sexually transmitted infection.
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What is AIDS AIDS, or acquired immune deficiency syndrome, is a disorder that is caused by infection with the human immunodeficiency virus, or HIV. This virus attaches to the surface of specific white blood cells called T cells and is therefore able to reproduce and continue production of the virus.
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HIV/AIDS HIV is the cause of the spectrum of disease known as HIV/AIDS. HIV is a retrovirus that primarily infects components of the human immune system such as CD4 + T cells, macrophages and dendritic cells.riminal transmission of HIV is the intentional or reckless infection of a person with the human immunodeficiency virus (HIV). Some countries or jurisdictions, including some areas of the United States, have laws that criminalize HIV transmission or exposure.
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AIDS The definition of AIDS has been refined as more knowledge has become available. In general it refers to that period in the infection when the CD4 count goes below 200 (from a normal count of 1,000) or when the characteristic opportunistic infections and cancers appear.
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HIV/AIDS Criminal transmission of HIV is the intentional or reckless infection of a person with the human immunodeficiency virus (HIV). Some countries or jurisdictions, including some areas of the United States, have laws that criminalize HIV transmission or exposure.
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HIV and AIDS HIV/AIDS is a global pandemic that affects individuals, families, and entire communities around the world and has profound social and economic implications. In 2004, the pandemic killed an estimated 3 million people, and an additional 40 million were living with the infection (1).onversely, in countries with greater health resources, the emergence of ART, coupled with an increased access through private insurance and government-funded programs, has resulted in a positive, dramatic change for many people living with HIV/AIDS.
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- Acute HIV infection (also known as seroconversion) is defined as the period between exposure to the virus and completion of the initial immune responses (when an antibody test becomes positive for HIV). After infection, HIV is able to replicate at an exponential rate using CD4 cells.
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HIV/AIDS HIV/AIDS. Human immunodeficiency virus (HIV) infection (HIV) occurs when the virus invades cells in the immune system and uses them to make more HIV cells. HIV is a retrovirus, meaning it needs host cells to replicate. The host cells it uses are CD4, or helper T, cells, which initiate the body’s response to infection.
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- AIDS (Acquired immune deficiency syndrome or acquired immunodeficiency syndrome) is a syndrome caused by a virus called HIV (Human Immunodeficiency Virus). The illness alters the immune system, making people much more vulnerable to infections and diseases.
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HIV and AIDS: an Overview AIDS is the acronym for acquired immunodeficiency syndrome and is the stage of HIV infection where a person's immune system is fully compromised, leaving the body open to a wide range of potentially deadly diseases.
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HIV/AIDS What Are HIV and AIDS? HIV (human immunodeficiency virus) is a virus that most likely mutated decades ago from a virus that infected chimpanzees to one that infects humans. It began to spread beyond the African continent in the late 1970s and is now endemic worldwide.
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Public Health AIDS, and HIV, are acronyms. AIDS stands for acquired immune deficiency syndrome. People who have AIDS have an increased susceptibility to life-threatening infections, cancers, and neurological disorders. HIV, or human immunodeficiency virus, causes AIDS. HIV can be transmitted through blood transfusion, sex, contaminated hypodermic needles, childbirth, and breastfeeding. HIV destroys the important cells in the human body that fight disease and infection.
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AIDS, HIV : Definition, Causes, Symptoms, Diagnosis, Complication, Preventive, and Treatment AIDS is a chronic disease that can cause death of the subject and is caused by the human immunodeficiency virus. The term AIDS (acquired immunodeficiency syndrome) characterized a later stage of infection by the HIV virus.HIV viruses colonize the immune system and central nervous system.IDS is a chronic disease that can cause death of the subject and is caused by the human immunodeficiency virus. The term AIDS (acquired immunodeficiency syndrome) characterized a later stage of infection by the HIV virus.
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- Definition of HIV test. HIV test: A test for the human immunodeficiency virus, the cause of AIDS. HIV tests are designed to detect antibodies to the HIV virus or the HIV virus itself. ELISA (enzyme-linked immunosorbent assay): a screening test used to detect infection with HIV. If positive, the ELISA test is usually repeated.
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- Acute HIV infection (also known as seroconversion) is defined as the period between exposure to the virus and completion of the initial immune responses (when an antibody test becomes positive for HIV). After infection, HIV is able to replicate at an exponential rate using CD4 cells. See the image below.
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- For other uses, see AIDS (disambiguation). Human immunodeficiency virus infection and acquired immune deficiency syndrome (HIV/AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV). Following initial infection, a person may not notice any symptoms or may experience a brief period of influenza-like illness.
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Comprehensive, up-to-date information on HIV/AIDS treatment and prevention from the University of California San Francisco Acquired immunodeficiency syndrome (AIDS) is a serious and sometimes life-threatening disease caused by the human immunodeficiency virus (HIV). An estimated 1.1 million Americans are infected with HIV, according to the Centers for Disease Control and Prevention (CDC).
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HIV/AIDS Human immunodeficiency virus infection and acquired immune deficiency syndrome (HIV/AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV). Following initial infection, a person may experience a brief period of influenza-like illness.IV is the cause of the spectrum of disease known as HIV/AIDS. HIV is a retrovirus that primarily infects components of the human immune system such as CD4 + T cells, macrophages and dendritic cells.
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Connecticut State Department of Public Health The human immunodeficiency virus (HIV) is the virus that causes AIDS, or acquired immunodeficiency syndrome, a disease that causes the body to lose its natural protection against infection. The disease is one of the most devastating epidemics in modern history.
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- Acquired immunodeficiency syndrome (AIDS) is a chronic and potentially fatal disease of the immune system. It is caused by the human immunodeficiency virus (HIV), which attacks a specific type of white blood cell known as T-lymphocytes. These cells are measured in the blood as the CD4 count.
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HIV/AIDS HIV/AIDS is a global pandemic. As of 2012, approximately 35.3 million people have HIV worldwide with the number of new infections that year being about 2.3 million. This is down from 3.1 million new infections in 2001. Of these approximately 16.8 million are women and 3.4 million are less than 15 years old.
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- Noun. 1. HIV-infection by the human immunodeficiency virus. viral infection, virus infection-infection by a virus that is pathogenic to humans.
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About HIV/AIDS About HIV/AIDS. HIV is a virus spread through certain body fluids that attacks the body’s immune system, specifically the CD4 cells, often called T cells. Over time, HIV can destroy so many of these cells that the body can’t fight off infections and disease. These special cells help the immune system fight off infections.